diff --git src/wp-includes/class-wp-query.php src/wp-includes/class-wp-query.php
index f683a52bd1..12113d61ab 100644
--- src/wp-includes/class-wp-query.php
+++ src/wp-includes/class-wp-query.php
@@ -1119,7 +1119,6 @@ class WP_Query {
 		}
 
 		$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
-		// Done correcting `is_*` for 'page_on_front' and 'page_for_posts'.
 
 		if ( '404' == $qv['error'] ) {
 			$this->set_404();
diff --git src/wp-includes/functions.wp-styles.php src/wp-includes/functions.wp-styles.php
index 592bb41ade..f154156680 100644
--- src/wp-includes/functions.wp-styles.php
+++ src/wp-includes/functions.wp-styles.php
@@ -44,7 +44,7 @@ function wp_styles() {
 function wp_print_styles( $handles = false ) {
 	global $wp_styles;
 
-	if ( '' === $handles ) { // For 'wp_head'.
+	if ( '' === $handles ) {
 		$handles = false;
 	}
 
diff --git src/wp-includes/rss.php src/wp-includes/rss.php
index 4d3f35e5cb..7c11fc317e 100644
--- src/wp-includes/rss.php
+++ src/wp-includes/rss.php
@@ -51,8 +51,6 @@ class MagpieRSS {
 	var $current_field		= '';
 	var $current_namespace	= false;
 
-	//var $ERROR = "";
-
 	var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
 
 	/**
@@ -621,7 +619,6 @@ function _response_to_rss ($resp) {
 		if ($rss) {
 			$errormsg .= " (" . $rss->ERROR . ")";
 		}
-		// error($errormsg);
 
 		return false;
 	} // end if ($rss and !$rss->error)
diff --git src/wp-includes/sodium_compat/src/Compat.php src/wp-includes/sodium_compat/src/Compat.php
index 3afe97c00e..b8a9dc4709 100644
--- src/wp-includes/sodium_compat/src/Compat.php
+++ src/wp-includes/sodium_compat/src/Compat.php
@@ -1563,11 +1563,7 @@ class ParagonIE_Sodium_Compat
 
         /* Input validation: */
         if (!empty($key)) {
-            /*
-            if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) {
-                throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.');
-            }
-            */
+           
             if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) {
                 throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.');
             }